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介绍了南京北郊大气气溶胶观测及其数据分析结果。利用Raman-Rayleigh-Mie激光雷达系统对南京北郊气溶胶进行常规观测,并对观测数据进行反演分析。详细分析了米氏散射气溶胶消光系数的反演结果随边界值变化的灵敏度,提出了较为准确的气溶胶边界值的确定方法,由此得到较为准确的气溶胶光学参数。通过与地面观测结果的比较,说明了Raman-Rayleigh-Mie激光雷达的观测结果具有可比性,其边界值的确定及其反演方法在一定程度上可信,可行。
The aerosol observations and data analysis of the northern suburb of Nanjing are introduced. The Raman-Rayleigh-Mie laser radar system was used to conduct routine observations of aerosols in the northern suburb of Nanjing, and the observed data were inverted. The sensitivity of Mie scattering aerosol extinction coefficient to the change of boundary value is analyzed in detail. A more accurate method for determining the boundary value of aerosol is proposed, and the more accurate aerosol optical parameters are obtained. The comparison between the observation results and ground observations shows that the observed results of Raman-Rayleigh-Mie Lidar are comparable. The determination of the boundary value and the inversion method are credible and feasible.